PROCESS FOR PREPARING POLYSULFANE SILANES BY MEANS OF PHASE TRANSFER CATALYSIS
A process for preparing polysulfane silanes of formula (I):(R1)3-mR2mSi-R3-Sx-R3-SiR2m(OR1)3-m (I),may include reacting at least one halosilane of formula (II):(R1)3-mR2mSi-R3-Hal (II),with M(SH)y and/or MzS and sulfur, in the presence of a phase transfer catalyst, a base and an aqueous phase, whe...
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